Depending on your requirements, we have a wide range of 4" Fuel Caps that can replace a broken or stolen fuel cap. Need extra protection? You can add the locking feature to your fuel cap. Protect your trucks largest expense by locking your fuel. In conclusion, we have the selection to make sure you get exactly what you need! Your trusted fuel protection partner for over 20 years, based in the US, FTA makes the highest quality products.
Finish
Available in both chrome and aluminum finish with either locking or not locking, you can find the matching fuel cap for your style. Make your show truck shine and still protect the fuel inside!
Keying Options for Fuel Caps
Have a fleet of trucks and don't want to deal with figuring out which key goes to which truck? Since the locks are added in house, we can work with you to key your entire order to the same key. Contact us for more information!
To Vent or not to Vent
Depending on the tank that you have, you may need a fuel cap that has venting, and pressure relief built in. Because of this, it is very important that you check your tank to match the correct fuel cap with your application. If you are not sure, please give us a call. We can get you the answers you need to make sure you stay safe and follow all regulations. Contact us for more information!
Available Features for our Universal 4" Fuel Caps
Built from Aluminum
Locking and Non-Locking options
Standard or Chrome Finish
Available with 190° or 255° Thermal Relief options
Includes 12.00" Chain with 8.35" Bail to keep your cap from falling to the ground
Inside Diameter of caps are all 4.35 Inches
Threading on all caps is either 8 National Pipe Straight Loose (NPSL) or 8 National Pipe Straight Medium (NPSM)
Above all Built in the US!
Looking for a cap for a different truck? Check out our full line of Locking Fuel Caps. Also check out our blog post to help find the correct fit for your fuel cap.